How To Use Menadione In A Sentence

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One important exception to these toxicity results involves a synthetic form of vitamin K called menadione. The World's Healthiest Foods
After absorption, menadione is thought to become alkylated into biologically active isoprenylated menaquinones.
Using concentrations that had no effect on cell growth, we found that menadione had no significant effect on recombination under the conditions tested in either the wild-type or BER mutant backgrounds.
Hepatoma-bearing rats receiving intraperitoneal injections of menadione (10 mg / 2mL weekly for four weeks) demonstrated an increased survival rate of 60 days compared to 17 days for controls (five of 16 lived longer than controls).

The third tye of vitamin K, menadione, is not made in nature so is therefore manmade. CreationWiki - Recent changes [en]
While this form of vitamin K can sometimes be converted by the body into non-toxic forms, research studies have shown unwanted risk stemming from intake of menadione. The World's Healthiest Foods
Victor Oreffo (AstraZeneca, Loughborough, UK) presented results on gene expression analysis following in vivo or in vitro exposure to the oxidative stress agents menadione and diquat.
This medium is prepared twice each week and is complemented with 8% sheep blood, menadione, and gentamicin, making this medium selective for anaerobes.
The K vitamins exist naturally as K 1 in green vegetables and K 2 produced by intestinal bacteria and K 3 is synthetic menadione.
Food and Drug Administration (FDA) does not allow vitamin K to be sold as a dietary supplement in its menadione form. The World's Healthiest Foods